A freight train has a mass of 1.5 × 107 kg.
If the locomotive can exert a constant pull
of 4.9×105 N, how long does it take to increase
the speed of the train from rest to 74 km/h?
Answer in units of min.
physics - bobpursley, Wednesday, March 30, 2011 at 10:48pm
change vf to m/s, and you have it.